Structure of PDB 7blx Chain 1

Receptor sequence

>7blx1 (length=194) Species: 3055 (Chlamydomonas reinhardtii)

KAGNWLPGSDAPAWLPDDLPGNYGFDPLSLGKEPASLKRFTESEVIHGRW
AMLGVAGSLAVELLGYGNWYDAPLWAVNGGKATWFGIEVPFDLNALLAFE
FVAMAAAEGQRGDAGGVVYPGGAFDPLGFAKDSSKSGELKLKEIKNGRLA
MVAFLGFVAQHAATGKGPIAALGEHLANPWGANFATNGISVPFF

3D structure

• PDB: 7blx Dimeric and high-resolution structures of Chlamydomonas Photosystem I from a temperature-sensitive Photosystem II mutant
• Chain: 1
• Resolution: 3.15 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	C7Z	1	W114 A133	W84 A103
BS02	CLA	1	R79 M82 Y149 G151 F154 F159 L169 K172 E173	R49 M52 Y119 G121 F124 F129 L139 K142 E143
BS03	CLA	1	V182 G186 A189 Q190 T194 H205 N213 F214	V152 G156 A159 Q160 T164 H175 N183 F184
BS04	CLA	1	L45 G51 N52 Y53 G54 F55 D56 F70 T71 E74 R178 M181 V182	L15 G21 N22 Y23 G24 F25 D26 F40 T41 E44 R148 M151 V152
BS05	CLA	1	L83 G87 Y96 T113 W114 F115	L53 G57 Y66 T83 W84 F85
BS06	CLA	1	L171 K172 K175 N176 L179	L141 K142 K145 N146 L149
BS07	CLA	1	H205 L206 P209 W210	H175 L176 P179 W180
BS08	CHL	1	Y100 V107 E130	Y70 V77 E100
BS09	CLA	1	I76 R79 W80 A137 Q140 R141 P150 F154 P156	I46 R49 W50 A107 Q110 R111 P120 F124 P126
BS10	CLA	1	R69 E72 I76 H77 W80 M134 E138 R141	R39 E42 I46 H47 W50 M104 E108 R111
BS11	CLA	1	P103 W105 L126 E130	P73 W75 L96 E100
BS12	CLA	1	L185 A189 F214 S220 P222	L155 A159 F184 S190 P192
BS13	CHL	1	W35 P37 Y53 F55	W5 P7 Y23 F25

Gene Ontology

Biological Process

• GO:0009765 photosynthesis, light harvesting

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:7blx, PDBe:7blx, PDBj:7blx
• PDBsum: 7blx
• UniProt: Q05093